The effect of alloying elements on densification and mechanical behaviour of titanium based alloy

Teffo, Moipone Linda; Nyakane, N.E.; Seerane, Mandy; Shongwe, Mxolisi Brendon; Machaka, Ronald

doi:10.1016/j.matpr.2020.09.280

Cited by 6 publications

(3 citation statements)

References 18 publications

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“…In other studies, it is also remarked that the mechanical properties of Ti are superior to Zr, as well as those of osseointegration, but Zr is superior to Ti regarding bacterial adhesion [46]. The addition of Zr in Ti increases the hardness due to the transformation of the structure from α (hexagonal) to α (orthorhombic) [47]. The microhardness, mechanical strength and plasticity also increase with increasing Zr content [48].…”

Section: Properties Related To the Composition Of Ti X Zr Alloysmentioning

confidence: 90%

A Combined Scientometric and Critical Approach in Reviewing TiZr Implant Alloys and Coating Performances

2021

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This review article was developed based on the scientometric analysis of the evaluated studies conducted on titanium−zirconium (TixZr) alloys from 2000 to the present. The scientometric data obtained helped us to identify the most researched topics and these topics were further analyzed and discussed. An increasing number of researchers are considering TixZr alloys as opposed to the traditional ones because these alloys present improved mechanical properties and in some cases improved corrosion resistance and biocompatibility. Due to the natural layer of oxides formed on these alloys, multiple surface modification methods can be applied to solve some of the challenges faced in the field of implantable materials. A significant number of studies are now focusing on surface modifications at the nanometer scale or various coatings for improved corrosion resistance and biological interactions. Although not yet commercially available, a TiZr alloy with a nanostructured surface and embedded biologically active substances, such as antibiotics or coated with hydroxyapatite, may become a future option.

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Section: Properties Related To the Composition Of Ti X Zr Alloysmentioning

confidence: 90%

A Combined Scientometric and Critical Approach in Reviewing TiZr Implant Alloys and Coating Performances

2021

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“…Various mechanisms, including dislocation slip, deformation twins, and the precipitation of stress-induced martensite, can be activated during cold deformation. , Furthermore, studies have shown that cold rolling leads to the formation of kink bands, shear bands, stress-induced α” martensite, and mechanical twins, such as {332} < 113> α”, in fully β phase materials. These effects vary with the degree of deformation and can be reversed through recrystallization annealing. − In conclusion, cold rolling is a highly effective approach for reducing the modulus of metastable β Ti alloys while simultaneously increasing their strength. This method offers substantial promise for developing orthopedic implant materials with superior mechanical properties, and its outcomes are summarized in Table .…”

Section: Influence Of Different Heat Treatment Processes On Mechanica...mentioning

confidence: 99%

Progress in the Optimization of Compositional Design and Thermomechanical Processing of Metastable β Ti Alloys for Biomedical Applications

N B,

et al. 2024

ACS Biomater. Sci. Eng.

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Over the past few years, significant research and development in the manufacturing industry related to the medical field has been done. The aim has been to improve existing biomaterials and bioimplants by exploring new methods and strategies. Beta titanium alloys, known for their exceptional strength-to-modulus ratio, corrosion resistance, biocompatibility, and ease of shaping, are expected to play a crucial role in manufacturing the next generation of biomedical equipment. To meet the specific requirements of human bone, researchers have employed key techniques like compositional design and thermomechanical processing routes to advance biomaterial development. These materials find extensive applications in orthopedic, orthodontic, and cardiovascular biomedical implants. Several studies have shown that precise material composition, with appropriate heat treatment and suitable mechanical approaches, can yield the desired mechanical properties for bone implants. In this review article, we explore the evolution of alloys at different stages, with a particular focus on their preparation for use in biomedical implants. The primary focus is on designing low-modulus β Ti alloy compositions and employing processing techniques to achieve high strength while maintaining a low young modulus suitable for biomedical applications.

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“…Titanium (Ti) is an allotropic metal. 27 Titanium along with its alloys is classified as α (low-temperature), α + β, and β (high-temperature) based on the crystal structures present in the substrate. α-Ti is equated to a hexagonal close packed (HCP) structure, which endows the alloy with more strength, high fracture toughness and low forgeability.…”

Section: Titanium and Titanium-based Alloysmentioning

confidence: 99%

Surface modification strategies to improve titanium hemocompatibility: a comprehensive review

et al. 2021

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The effect of alloying elements on densification and mechanical behaviour of titanium based alloy

Cited by 6 publications

References 18 publications

A Combined Scientometric and Critical Approach in Reviewing TiZr Implant Alloys and Coating Performances

A Combined Scientometric and Critical Approach in Reviewing TiZr Implant Alloys and Coating Performances

Progress in the Optimization of Compositional Design and Thermomechanical Processing of Metastable β Ti Alloys for Biomedical Applications

Surface modification strategies to improve titanium hemocompatibility: a comprehensive review

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